When synthesizing a RNA made of U (polyU) and translating it in cell-free translation systems, a protein made of a string of the SAME amino acid is produced. The UUU codon encodes for phenylalanine.
During gene transcription, a sequence of DNA called 'gene' is utilized as a template to create a complementary messenger RNA (mRNA) sequence.
Afterward, this mRNA molecule is then utilized as a template to generate a protein by a process known as translation.
The triplets of nucleotides or 'codons' in the mRNA sequence determine specific amino acids in the nascent polypeptide chain (i.e., the protein).
In this case, the UUU codon (TTT in DNA) is specifically translated into the amino acid phenylalanine.
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